With everyone from Justin Bieber to Fifth Harmony weighing in on Zayn Malik's decision to leave One Direction, Ringo Starr — fourth member of the Beatles, aka the biggest boy band in history — addressed the situation.

Settle in for a crash course in everything 1D — from their humble beginning as a collection of X Factor UK hopefuls whom Simon Cowell instantly recognized as having the potential to become one of the biggest musical acts in the world to their surprising connection to The Lord of the Rings.